/* 字体 */
@font-face {
	font-family: 'iconfont';
	src: url('../font/iconfont.eot');
	src: url('../font/iconfont.eot?#iefix') format('embedded-opentype'),
		url('../font/iconfont.woff2') format('woff2'),
		url('../font/iconfont.woff') format('woff'),
		url('../font/iconfont.ttf') format('truetype'),
		url('../font/iconfont.svg#iconfont') format('svg');
}

/* 样式格式化 */
* {
	margin: 0;
	padding: 0;
}


body {
	font-family: "Microsoft YaHei";
	font-size: 14px;
	color: #333;
	min-width: 1226px;
}

ul,
ol {
	list-style: none;
}

img {
	border: none;
	vertical-align: middle;
}

a {
	text-decoration: none;
}

table {
	border-collapse: collapse;
	table-layout: fixed;
}

input,
textarea {
	outline: none;
	border: none;
}

textarea {
	resize: none;
	overflow: auto;
}

.clearfix {
	zoom: 1;
}

.clearfix:after {
	content: "";
	width: 0;
	height: 0;
	visibility: hidden;
	display: block;
	clear: both;
	overflow: hidden;
}

.main {
	width: 100%;
	background-color: #F5F5F5;
	padding: 10px 0px;
}

.video-box {
	width: 1226px;
	/* background: red; */
	margin: 0 auto;
}

.img-box img {
	width: 296px;
	height: 180px;
}

.img-box img:hover {
	box-shadow: #E0E0E0 2px 10px 10px;
}

.video-box-ul {
	text-decoration: none;
}

.video-box-ul li {
	float: left;
	margin-right: 14px;
	text-align: center;
	background-color: #fff;
	height: 285px;
	width: calc((100% - 14px*3)/4);
	transition: all 0.2s linear;
	/* background: green; */
}

.video-box-ul li:nth-child(4) {
	margin-right: 0px;
}

.clearfix {
	zoom: 1;
}

.clearfix:after {
	content: "";
	width: 0;
	height: 0;
	visibility: hidden;
	display: block;
	clear: both;
	overflow: hidden;
}

.video-box-ul-li h3 {
	font-weight: normal;
	font-size: 14px;
	margin: 20px 0 0 0;
	color: #333;
}

.video-box-ul-li .desc {
	color: #B0B0B0;
	font-size: 12px;
	margin: 10px 0 0 0;
}

.ellipse {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.img-box {
	position: relative;
}

.video-box-ul li:hover {
	transform: translateY(-2px);
	box-shadow: 0 15px 30px rgba(0, 0, 0, .1);
}
